MIAMI, Fla. -- Kelly Osbourne is all smiles at the 2011 Fashion Awards Dinner to benefit Phoenix House at Pier Sixty at Chelsea Piers in New York City on November 2, 2011 Caption Kelly Osbourne is all smiles at the 2011 Fashion Awards Dinner to benefit Phoenix House at Pier Sixty at Chelsea Piers in New York City on November 2, 2011 Kelly Osbourne says she has been

released from a Miami hospital after being treated for a head injury.

The 27-year-old “E! Fashion Police” co-host Tweeted on Sunday that she was given the “all clear” and was released from Mercy Hospital, which declined comment Monday.

The nature of the injury and how Osbourne was hurt were not immediately clear. She tweeted that she had cracked her head open, though her publicist has not released any details.

Osbourne found fame after appearing on the reality series “The Osbournes” alongside her family, including rock star Ozzy Osbourne. She has recorded several albums and appeared on “Dancing with the Stars” in 2009.